/**
* Report an error to the host application. These errors are unrecoverable (i.e. the main resource
* is unavailable). The errorCode parameter corresponds to one of the ERROR_* constants.
*
* @param errorCode The error code corresponding to an ERROR_* value.
* @param description A String describing the error.
* @param failingUrl The url that failed to load.
*/
public void onReceivedError(
final int errorCode, final String description, final String failingUrl) {
final CordovaActivity me = this;
// If errorUrl specified, then load it
final String errorUrl = preferences.getString("errorUrl", null);
if ((errorUrl != null)
&& (errorUrl.startsWith("file://") || whitelist.isUrlWhiteListed(errorUrl))
&& (!failingUrl.equals(errorUrl))) {
// Load URL on UI thread
me.runOnUiThread(
new Runnable() {
public void run() {
// Stop "app loading" spinner if showing
me.spinnerStop();
me.appView.showWebPage(errorUrl, false, true, null);
}
});
}
// If not, then display error dialog
else {
final boolean exit = !(errorCode == WebViewClient.ERROR_HOST_LOOKUP);
me.runOnUiThread(
new Runnable() {
public void run() {
if (exit) {
me.appView.setVisibility(View.GONE);
me.displayError(
"Application Error", description + " (" + failingUrl + ")", "OK", exit);
}
}
});
}
}
/** Load URL in webview. */
private void loadUrlNow(String url) {
if (LOG.isLoggable(LOG.DEBUG) && !url.startsWith("javascript:")) {
LOG.d(TAG, ">>> loadUrlNow()");
}
if (url.startsWith("file://")
|| url.startsWith("javascript:")
|| url.startsWith("about:")
|| internalWhitelist.isUrlWhiteListed(url)) {
super.loadUrl(url);
}
}
/**
* Load the specified URL in the Cordova webview or a new browser instance.
*
* <p>NOTE: If openExternal is false, only URLs listed in whitelist can be loaded.
*
* @param url The url to load.
* @param openExternal Load url in browser instead of Cordova webview.
* @param clearHistory Clear the history stack, so new page becomes top of history
* @param params Parameters for new app
*/
public void showWebPage(
String url, boolean openExternal, boolean clearHistory, HashMap<String, Object> params) {
LOG.d(TAG, "showWebPage(%s, %b, %b, HashMap", url, openExternal, clearHistory);
// If clearing history
if (clearHistory) {
this.clearHistory();
}
// If loading into our webview
if (!openExternal) {
// Make sure url is in whitelist
if (url.startsWith("file://") || internalWhitelist.isUrlWhiteListed(url)) {
// TODO: What about params?
// Load new URL
loadUrlIntoView(url, true);
return;
}
// Load in default viewer if not
LOG.w(
TAG,
"showWebPage: Cannot load URL into webview since it is not in white list. Loading into browser instead. (URL="
+ url
+ ")");
}
try {
// Omitting the MIME type for file: URLs causes "No Activity found to handle Intent".
// Adding the MIME type to http: URLs causes them to not be handled by the downloader.
Intent intent = new Intent(Intent.ACTION_VIEW);
Uri uri = Uri.parse(url);
if ("file".equals(uri.getScheme())) {
intent.setDataAndType(uri, resourceApi.getMimeType(uri));
} else {
intent.setData(uri);
}
cordova.getActivity().startActivity(intent);
} catch (android.content.ActivityNotFoundException e) {
LOG.e(TAG, "Error loading url " + url, e);
}
}
/** Determine if URL is in approved list of URLs to load. */
@Deprecated // Use whitelist object directly.
public boolean isUrlWhiteListed(String url) {
return whitelist.isUrlWhiteListed(url);
}
/**
* Downloads a file form a given URL and saves it to the specified directory.
*
* @param source URL of the server to receive the file
* @param target Full path of the file on the file system
*/
private void download(
final String source, final String target, JSONArray args, CallbackContext callbackContext)
throws JSONException {
Log.d(LOG_TAG, "download " + source + " to " + target);
final CordovaResourceApi resourceApi = webView.getResourceApi();
final boolean trustEveryone = args.optBoolean(2);
final String objectId = args.getString(3);
final JSONObject options = args.getJSONObject(4);
final JSONObject headers = options.getJSONObject("headers");
final Uri sourceUri = resourceApi.remapUri(Uri.parse(source));
// Accept a path or a URI for the source.
Uri tmpTarget = Uri.parse(target);
final Uri targetUri =
resourceApi.remapUri(
tmpTarget.getScheme() != null ? tmpTarget : Uri.fromFile(new File(target)));
int uriType = CordovaResourceApi.getUriType(sourceUri);
final boolean useHttps = uriType == CordovaResourceApi.URI_TYPE_HTTPS;
final boolean isLocalTransfer = !useHttps && uriType != CordovaResourceApi.URI_TYPE_HTTP;
if (uriType == CordovaResourceApi.URI_TYPE_UNKNOWN) {
JSONObject error = createFileTransferError(INVALID_URL_ERR, source, target, null, 0, null);
Log.e(LOG_TAG, "Unsupported URI: " + sourceUri);
callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
return;
}
/* This code exists for compatibility between 3.x and 4.x versions of Cordova.
* Previously the CordovaWebView class had a method, getWhitelist, which would
* return a Whitelist object. Since the fixed whitelist is removed in Cordova 4.x,
* the correct call now is to shouldAllowRequest from the plugin manager.
*/
Boolean shouldAllowRequest = null;
if (isLocalTransfer) {
shouldAllowRequest = true;
}
if (shouldAllowRequest == null) {
try {
Method gwl = webView.getClass().getMethod("getWhitelist");
Whitelist whitelist = (Whitelist) gwl.invoke(webView);
shouldAllowRequest = whitelist.isUrlWhiteListed(source);
} catch (NoSuchMethodException e) {
} catch (IllegalAccessException e) {
} catch (InvocationTargetException e) {
}
}
if (shouldAllowRequest == null) {
try {
Method gpm = webView.getClass().getMethod("getPluginManager");
PluginManager pm = (PluginManager) gpm.invoke(webView);
Method san = pm.getClass().getMethod("shouldAllowRequest", String.class);
shouldAllowRequest = (Boolean) san.invoke(pm, source);
} catch (NoSuchMethodException e) {
} catch (IllegalAccessException e) {
} catch (InvocationTargetException e) {
}
}
if (!Boolean.TRUE.equals(shouldAllowRequest)) {
Log.w(LOG_TAG, "Source URL is not in white list: '" + source + "'");
JSONObject error = createFileTransferError(CONNECTION_ERR, source, target, null, 401, null);
callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.IO_EXCEPTION, error));
return;
}
final RequestContext context = new RequestContext(source, target, callbackContext);
synchronized (activeRequests) {
activeRequests.put(objectId, context);
}
cordova
.getThreadPool()
.execute(
new Runnable() {
public void run() {
if (context.aborted) {
return;
}
HttpURLConnection connection = null;
HostnameVerifier oldHostnameVerifier = null;
SSLSocketFactory oldSocketFactory = null;
File file = null;
Long downloaded = 0L;
PluginResult result = null;
TrackingInputStream inputStream = null;
boolean cached = false;
OutputStream outputStream = null;
try {
OpenForReadResult readResult = null;
file = resourceApi.mapUriToFile(targetUri);
context.targetFile = file;
Log.d(LOG_TAG, "Download file:" + sourceUri);
FileProgressResult progress = new FileProgressResult();
if (isLocalTransfer) {
readResult = resourceApi.openForRead(sourceUri);
if (readResult.length != -1) {
progress.setLengthComputable(true);
progress.setTotal(readResult.length);
} else {
progress.setLengthComputable(false);
progress.setTotal(-1);
}
inputStream = new SimpleTrackingInputStream(readResult.inputStream);
} else {
// connect to server
// Open a HTTP connection to the URL based on protocol
connection = resourceApi.createHttpConnection(sourceUri);
if (useHttps && trustEveryone) {
// Setup the HTTPS connection class to trust everyone
HttpsURLConnection https = (HttpsURLConnection) connection;
oldSocketFactory = trustAllHosts(https);
// Save the current hostnameVerifier
oldHostnameVerifier = https.getHostnameVerifier();
// Setup the connection not to verify hostnames
https.setHostnameVerifier(DO_NOT_VERIFY);
}
connection.setRequestMethod("GET");
// TODO: Make OkHttp use this CookieManager by default.
String cookie = getCookies(sourceUri.toString());
if (cookie != null) {
connection.setRequestProperty("cookie", cookie);
}
// This must be explicitly set for gzip progress tracking to work.
connection.setRequestProperty("Accept-Encoding", "gzip");
// Handle the other headers
if (headers != null) {
addHeadersToRequest(connection, headers);
}
if (options.getBoolean("resume") && file.exists()) {
downloaded = file.length();
connection.setRequestProperty("Range", "bytes=" + downloaded + "-");
}
connection.connect();
if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED) {
cached = true;
connection.disconnect();
Log.d(LOG_TAG, "Resource not modified: " + source);
JSONObject error =
createFileTransferError(
NOT_MODIFIED_ERR, source, target, connection, null);
result = new PluginResult(PluginResult.Status.ERROR, error);
} else {
if (connection.getContentEncoding() == null
|| connection.getContentEncoding().equalsIgnoreCase("gzip")) {
// Only trust content-length header if we understand
// the encoding -- identity or gzip
if (connection.getContentLength() != -1) {
progress.setLengthComputable(true);
progress.setTotal(connection.getContentLength() + downloaded);
} else {
progress.setLengthComputable(false);
progress.setTotal(-1);
}
}
inputStream = getInputStream(connection);
}
}
if (!cached) {
try {
synchronized (context) {
if (context.aborted) {
return;
}
context.connection = connection;
}
// write bytes to file
byte[] buffer = new byte[MAX_BUFFER_SIZE];
int bytesRead = 0;
boolean append = downloaded > 0;
outputStream = resourceApi.openOutputStream(targetUri, append);
while ((bytesRead = inputStream.read(buffer)) > 0) {
outputStream.write(buffer, 0, bytesRead);
// Send a progress event.
progress.setLoaded(inputStream.getTotalRawBytesRead() + downloaded);
PluginResult progressResult =
new PluginResult(PluginResult.Status.OK, progress.toJSONObject());
progressResult.setKeepCallback(true);
context.sendPluginResult(progressResult);
}
} catch (IOException e) {
outputStream.flush();
} finally {
synchronized (context) {
context.connection = null;
}
safeClose(inputStream);
safeClose(outputStream);
}
Log.d(LOG_TAG, "Saved file: " + target);
// create FileEntry object
Class webViewClass = webView.getClass();
PluginManager pm = null;
try {
Method gpm = webViewClass.getMethod("getPluginManager");
pm = (PluginManager) gpm.invoke(webView);
} catch (NoSuchMethodException e) {
} catch (IllegalAccessException e) {
} catch (InvocationTargetException e) {
}
if (pm == null) {
try {
Field pmf = webViewClass.getField("pluginManager");
pm = (PluginManager) pmf.get(webView);
} catch (NoSuchFieldException e) {
} catch (IllegalAccessException e) {
}
}
file = resourceApi.mapUriToFile(targetUri);
context.targetFile = file;
FileUtils filePlugin = (FileUtils) pm.getPlugin("File");
if (filePlugin != null) {
JSONObject fileEntry = filePlugin.getEntryForFile(file);
if (fileEntry != null) {
result = new PluginResult(PluginResult.Status.OK, fileEntry);
} else {
JSONObject error =
createFileTransferError(
CONNECTION_ERR, source, target, connection, null);
Log.e(LOG_TAG, "File plugin cannot represent download path");
result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
}
} else {
Log.e(LOG_TAG, "File plugin not found; cannot save downloaded file");
result =
new PluginResult(
PluginResult.Status.ERROR,
"File plugin not found; cannot save downloaded file");
}
}
} catch (FileNotFoundException e) {
JSONObject error =
createFileTransferError(FILE_NOT_FOUND_ERR, source, target, connection, e);
Log.e(LOG_TAG, error.toString(), e);
result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
} catch (IOException e) {
JSONObject error =
createFileTransferError(CONNECTION_ERR, source, target, connection, e);
Log.e(LOG_TAG, error.toString(), e);
result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
} catch (JSONException e) {
Log.e(LOG_TAG, e.getMessage(), e);
result = new PluginResult(PluginResult.Status.JSON_EXCEPTION);
} catch (Throwable e) {
JSONObject error =
createFileTransferError(CONNECTION_ERR, source, target, connection, e);
Log.e(LOG_TAG, error.toString(), e);
result = new PluginResult(PluginResult.Status.IO_EXCEPTION, error);
} finally {
synchronized (activeRequests) {
activeRequests.remove(objectId);
}
if (connection != null) {
// Revert back to the proper verifier and socket factories
if (trustEveryone && useHttps) {
HttpsURLConnection https = (HttpsURLConnection) connection;
https.setHostnameVerifier(oldHostnameVerifier);
https.setSSLSocketFactory(oldSocketFactory);
}
}
if (result == null) {
result =
new PluginResult(
PluginResult.Status.ERROR,
createFileTransferError(
CONNECTION_ERR, source, target, connection, null));
}
// Remove incomplete download.
if (!cached
&& result.getStatus() != PluginResult.Status.OK.ordinal()
&& file != null) {
file.delete();
}
context.sendPluginResult(result);
}
}
});
}